CGImageDestinationCopyImageSource(_:_:_:_:)
Declaration
func CGImageDestinationCopyImageSource(_ idst: CGImageDestination, _ isrc: CGImageSource, _ options: CFDictionary?, _ err: UnsafeMutablePointer<Unmanaged<CFError>?>?) -> Boolfunc CGImageDestinationCopyImageSource(_ idst: CGImageDestination, _ isrc: CGImageSource, _ options: CFDictionary?, _ err: UnsafeMutablePointer<Unmanaged<CFError>?>?) -> Bool